It's absolutely possible. I've had long term relationships here and on other sites, and they mean the world to me. As others stated, you have to be honest, and you have to make the effort. Communication is difficult for a lot of people!
no. these people only serve to amuse me while i wait for dinner to cook or sleeping pills to kick in?
I chatted with one woman from London after my divorce, ended up going down to spend a weekend with her, and from there we went on to have a relationship lasting over a year, even going on holiday together.
Yes, I do believe they can form. I 'met' a married woman about a year ago on a different site and we hit it off. We have since become fuck buddies/lovers and enjoy an ardent 'no strings' sexual relationship.
Poppet is 100% correct. If you are honest in any relationship, it can work. It doesn't matter if it is in meatspace or cyberspace.